I have a chrooted SFTP user group to access my home server. The chroot location is /mnt/, mostly because it is already owned by root and is where I have mounted the external HDD I want to the chrooted ...

Is this possible to change the path that ssh-keygen use the files from?
The default one is $HOME/.ssh/ so is this possible to change this?
Like for example when using ssh-keygen -R to remove the host ...

I just generated a public and private key with ssh key gen. I uploaded the public key onto a gitlab (basically a clone of git hub) system for my university and got an email saying that I successfully ...